LTV (Loan-to-Value)

One ratio decides how thin a cushion stands between an investor and a lender's loss.

Loan-to-value — LTV — measures what portion of a property’s value is financed by debt. Buy a $1,000,000 building with a $700,000 loan, and the LTV is 70%; the remaining $300,000, the equity, is the buyer’s own money at risk. It’s a simple ratio, but it’s the first and most important lens through which a lender sees any deal, because it answers a blunt question: if this loan goes bad and the property has to be sold in a hurry, how far can the price fall before the lender starts losing money?

At 70% LTV, the property’s value would need to drop by more than 30% before the lender’s principal is at risk — a substantial cushion. At 90% LTV, a 10% drop in value is enough to wipe out the entire equity buffer and put the lender’s own money on the line. This is why LTV functions as a lender’s core risk dial: lower LTV loans get better interest rates and easier approval, because the lender is exposed to less downside; higher LTV loans get scrutinized harder, priced higher, or declined outright, because the margin for error is thinner.

LTV also swings with the market cycle in a way that amplifies whatever is already happening. In good times, competition among lenders pushes maximum LTVs up — 75%, 80%, sometimes higher for trophy assets — because rising prices make everyone feel like the cushion is safe. Borrowers respond by taking on more leverage, which lets them bid more aggressively, which pushes prices up further. In downturns, the opposite happens fast: lenders pull maximum LTVs down to 55% or 60%, borrowers can no longer finance as much of a purchase, and buying power across the market contracts — sometimes faster than prices themselves fall, which is one reason credit crunches can freeze transaction volume even when sellers are, in principle, willing to sell.

There’s a second, less obvious use of LTV worth knowing: refinancing. As a property’s income and value grow over a holding period, an owner can often refinance — take out a new, larger loan against the now-higher value — while keeping the same LTV percentage they started with. Done well, this lets an investor pull cash out of a deal without selling the underlying asset, sometimes recovering their entire original investment while still owning the property outright. Done carelessly, in a market downturn, it’s the same mechanism that leaves borrowers owing more than their property is worth.

It’s worth separating LTV from a related but distinct idea: loan-to-cost (LTC), which measures debt against the total cost of a development project — land plus construction — rather than against the finished, stabilized value. Developers watch both. LTC governs how much of the construction budget the lender is willing to fund; LTV, calculated on the projected completed value, governs how the loan looks once the building is finished, leased, and earning.

LTV is not a measure of whether a deal is good. It’s a measure of how much room for error the deal has left — for the borrower, and especially for the lender standing behind them.